TelmTech designs and supplies universal serial port controlled circuit boards to drive laser diodes and thermo electric coolers (TEC) together with a low cost data recorder board. All are provided with a gaphical user interface (GUI) for Windows. Boards are set up with the GUI via the USB compatible connection. There are no manual potentiometers to adjust and there is generally no need for electrical test equipment such as digital multi-meters. Typical application areas are: Laboratory, Education, Research & Development, Test & Measurement etc.